/*
 * Copyright (c) 2016-20017 Max Cong <savagecm@qq.com>
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once
#include "translib/tcpSocket.h"
#include "translib/loop.h"

namespace translib
{

class TcpClient : public TcpSocket
{
public:
	TcpClient(const translib::Loop &loop);

	inline bool isConnected() const
	{
		return _isConnected;
	}

	bool connect(const char *ip, uint16_t port);

protected:
	virtual void onRead(){};

	virtual void onDisconnected(){};

	virtual void onConnected(int error){};

private:
	void handleEvent(short events);

	static void readCallback(struct bufferevent *bev, void *ctx);
	static void writeCallback(struct bufferevent *bev, void *ctx);
	static void eventCallback(struct bufferevent *bev, short events, void *ctx);

private:
	const Loop &_loop;
	std::atomic<bool> _isConnected;
};

} /* namespace translib */
